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RFC 1850 - 3.11. OSPF Virtual Neighbor Table

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### 3.11. OSPF Virtual Neighbor Table

    --  OSPF Virtual Neighbor Table

    --      This table describes all virtual neighbors.
    --      Since Virtual Links are configured in the
    --      virtual interface table, this table is read-only.

        ospfVirtNbrTable OBJECT-TYPE
            SYNTAX   SEQUENCE OF OspfVirtNbrEntry
            MAX-ACCESS   not-accessible
            STATUS   current
            DESCRIPTION
               "A table of virtual neighbor information."
           REFERENCE
              "OSPF Version 2, Section 15  Virtual Links"
          ::= { ospf 11 }

        ospfVirtNbrEntry OBJECT-TYPE
            SYNTAX   OspfVirtNbrEntry
            MAX-ACCESS   not-accessible
            STATUS   current
            DESCRIPTION
               "Virtual neighbor information."
           INDEX { ospfVirtNbrArea, ospfVirtNbrRtrId }
           ::= { ospfVirtNbrTable 1 }

    OspfVirtNbrEntry ::=
        SEQUENCE {
            ospfVirtNbrArea
                AreaID,
            ospfVirtNbrRtrId
                RouterID,
            ospfVirtNbrIpAddr
                IpAddress,
            ospfVirtNbrOptions
                Integer32,
            ospfVirtNbrState
                INTEGER,
            ospfVirtNbrEvents
                Counter32,
            ospfVirtNbrLsRetransQLen
                Gauge32,
            ospfVirtNbrHelloSuppressed
                    TruthValue
                  }

        ospfVirtNbrArea OBJECT-TYPE
            SYNTAX   AreaID
            MAX-ACCESS   read-only
            STATUS   current
            DESCRIPTION
               "The Transit Area Identifier."
           ::= { ospfVirtNbrEntry 1 }

        ospfVirtNbrRtrId OBJECT-TYPE
            SYNTAX   RouterID
            MAX-ACCESS   read-only
            STATUS   current
            DESCRIPTION
               "A  32-bit  integer  uniquely  identifying  the
               neighboring router in the Autonomous System."
           ::= { ospfVirtNbrEntry 2 }

        ospfVirtNbrIpAddr OBJECT-TYPE
            SYNTAX   IpAddress
            MAX-ACCESS   read-only
            STATUS   current
            DESCRIPTION
               "The IP address this Virtual  Neighbor  is  us-
               ing."
           ::= { ospfVirtNbrEntry 3 }

        ospfVirtNbrOptions OBJECT-TYPE
            SYNTAX   Integer32
            MAX-ACCESS   read-only
            STATUS   current
            DESCRIPTION
               "A Bit Mask corresponding to the neighbor's op-
               tions field.

               Bit 1, if set, indicates that the  system  will
               operate  on  Type of Service metrics other than
               TOS 0.  If zero, the neighbor will  ignore  all
               metrics except the TOS 0 metric.

               Bit 2, if set, indicates  that  the  system  is
               Network  Multicast  capable; ie, that it imple-
               ments OSPF Multicast Routing."
           ::= { ospfVirtNbrEntry 4 }
        ospfVirtNbrState OBJECT-TYPE
            SYNTAX   INTEGER    {
                        down (1),
                        attempt (2),
                        init (3),
                        twoWay (4),
                        exchangeStart (5),
                        exchange (6),
                        loading (7),
                        full (8)
                      }
            MAX-ACCESS   read-only
            STATUS   current
            DESCRIPTION
               "The state of the  Virtual  Neighbor  Relation-
               ship."
           ::= { ospfVirtNbrEntry 5 }

        ospfVirtNbrEvents OBJECT-TYPE
            SYNTAX   Counter32
            MAX-ACCESS   read-only
            STATUS   current
            DESCRIPTION
               "The number of  times  this  virtual  link  has
               changed its state, or an error has occurred."
           ::= { ospfVirtNbrEntry 6 }

        ospfVirtNbrLsRetransQLen OBJECT-TYPE
            SYNTAX   Gauge32
            MAX-ACCESS   read-only
            STATUS   current
            DESCRIPTION
               "The  current  length  of  the   retransmission
               queue."
           ::= { ospfVirtNbrEntry 7 }

        ospfVirtNbrHelloSuppressed OBJECT-TYPE
            SYNTAX   TruthValue
            MAX-ACCESS   read-only
            STATUS   current
            DESCRIPTION
               "Indicates whether Hellos are being  suppressed
               to the neighbor"
           ::= { ospfVirtNbrEntry 8 }

Next: 3.12. OSPF External Link State Database

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RFC 1850 - 3.11. OSPF Virtual Neighbor Table